21572 Quiet-Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2006-2011 Chevrolet HHR

Features Designed for oe equivalent sound and precision fit. Spun-locked heads for a proper resistance to backfire. Bridge construction and durable internal partitions for structural strength and longer life. The inner shell and outer cover lockseams are installed 180 degrees apart for exceptional durability. Strong, oe-style interior spot welds. Three-tube design for quiet tone. Oe-style louvered tube technology for a premium, factory-like sound. Oe-style domed heads allow for radiated noise reduction. Crf ( continuous roving fiberglass) for oe-quality acoustic performance. A complete internal drainage system prevents condensate acids from accumulating between partitions or at the muffler heads. Compatibility 2006-2011 Chevrolet HHR. Specifications Muffler Series: Quiet-Flow. Muffler Body Height: 7 in. Muffler Body Width: 9 in. Muffler Body Length: 18 in. Muffler Overall Length: 27.75 in. Muffler Body Material: Stainless Steel. Muffler Body Finish: Aluminized. Muffler Body Shape: Oval. Muffler Inlet-Outlet Configuration: Offset - Offset. Muffler Inlet Diameter: 1.75 in. Muffler Outlet Diameter: 1.75 in. Muffler Reversibility: No. Muffler Type: Combination. Connection Type: Pipe Connection. Inlet Diameter Designation: Inside Diameter. Outlet Diameter Designation: Inside Diameter.